RJ
Roy Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Denver, Colorado
Our Model Tree links this Roy Johnson across the 1920, 1930 and 1940 US Censuses in Denver, Colorado (XGBoost, ~Confirmed), with identified parents C & Charley — first a son (b.~1919), then head of a 5-person household.
Age 11
b. ~1919
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Denver, Colorado |
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Colorado |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Denver |
| Est. Birth Year | ~1919 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| June Johnson | Daughter | — | 17 | ~1913 |
| Charley Johnson | Head | — | 56 | ~1874 |
| Roy Johnson | Son | — | 11 | ~1919 |
| Carl Johnson | Son | — | 20 | ~1910 |
| Louisa Johnson | Spouse | — | 48 | ~1882 |
Census Appearances
1920
Denver, Colorado
Son, age 1
Denver, Colorado · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Texas |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 11
Denver, Colorado · implied b. ~1919 — 5 household members
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
Son, age 21
Denver-County, Colorado · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ray |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Occupation | Trucker |
| Industry | Fruit Market |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Roy Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father C Johnson (~0.92 confidence) and father Charley Johnson (~0.92 confidence) and mother Louisa Johnson (~0.92 confidence) and mother Sabina Johnson (~0.92 confidence) and father Roy Johnson (~0.92 confidence) and mother Edna Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
C Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Charley Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Louisa Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Sabina Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Roy Johnson
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Edna Johnson
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Johnson
Son · 1930 · age 11 · b. ~1919 · Colorado
★ You are viewing this record
Sibling
June Johnson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Johnson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Denver, Colorado
Open full size
1930 US Federal Census — Denver, Colorado
Page Contents
25 people indexed on this census page (ia:1930:15thcensus240unit:0238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John George | 63 | Head | Fireman | Wales |
| 2 | Katie George | 56 | Wife | — | Mississippi |
| 3 | Marie C. Lundberg | 63 | Head | — | Sweden |
| 4 | Fred Dopheide | 34 | Head | Engineer | Colorado |
| 5 | Ruth Dopheide | 32 | Wife | — | Colorado |
| 6 | June Dopheide | 10 | Daughter | — | Colorado |
| 7 | Dorothy Dopheide | 8 | Daughter | — | Colorado |
| 8 | Fred Jr. Dopheide | 6 | Son | — | Colorado |
| 9 | Martin D. Price | 76 | Head | — | Germany |
| 10 | Mary Price | 69 | Wife | — | Missouri |
| 11 | Fred G. Koelbing | 66 | Head | Labor | Wisconsin |
| 12 | Netta M. Koelbing | 72 | Wife | — | Illinois |
| 13 | Edward Swenson | 79 | Head | Blacksmith | Sweden |
| 14 | Emma Swenson | 69 | Wife | — | Sweden |
| 15 | Catherine M. Melrose | 68 | Head | — | Ireland |
| 16 | John P. Melrose | 39 | Son | Butler Maker | Colorado |
| 17 | Francis M. Melrose | 38 | Daughter | Marker | Colorado |
| 18 | Albert Hague | 41 | Head | Beef Cut | Illinois |
| 19 | Ethel Hague | 40 | Wife | — | Illinois |
| 20 | La Vinia Hague | 15 | Daughter | — | Illinois |
| 21 | Charley Johnson | 56 | Head | Labor | Sweden |
| 22 | Louisa Johnson | 48 | Wife | — | Sweden |
| 23 | Carl Johnson | 20 | Son | Printer | Colorado |
| 24 | June Johnson | 17 | Daughter | — | Colorado |
| 25 | Roy Johnson THIS PERSON | 11 | Son | — | Colorado |
Related Census Records
Pedigree Summary
Roy + 2 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)